-RH means you wear your glove on your right hand. It should be included at the end of the model number on your order.
Because it also means that you throw with your left hand, be sure Throws With Left Hand is shown in the cart.

This Heart of the Hide 12” baseball glove from Rawlings Gear features a conventional back and the Two Piece Solid Web, which utilizes a deep pocket and is an excellent choice for infielders as well as pitchers who want to conceal the ball. Handcrafted from the top 5% of steer hides and the best pro grade lace, Heart of the Hide glove durability remains unmatched. The leather has been injected with oil for a smooth finish and it is lined with deer skin for a soft feel.